JSC2009-E-226212 (28 Oct. 2009) --- Astronaut Doug Wheelock, Expedition 24 flight engineer and Expedition 25 commander, gets help in the donning of a training version of his Extravehicular Mobility Unit (EMU) spacesuit in preparation for a spacewalk training session in the waters of the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center.